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Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum scores 8.3/9.8 and Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores 8.4/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.1 points apart.
Scores last verified: June 2026
20 unique
11 in common
21 unique
These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Hydration Efficacy is another area of separation. Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum scores 9.8 here versus 8.8 for Skinfix Target+ Brighten + Firm 15% Vitamin C Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum brings Tetrahexyldecyl Ascorbate, Oligopeptide-2, and Hexapeptide-11 as actives, while peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum relies on Saccharomyces Lysate, Acetyl Hexapeptide-8, and Pentapeptide-18. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum is better if you have
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum is better if you have
Both sit in the premium bracket, so value comes down to formulation quality. Skinfix Target+ Brighten + Firm 15% Vitamin C Serum gets the nod here with its 8.4 overall score — you're getting more for a similar outlay.
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Based on ingredient analysis, Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores higher overall. See the full score breakdown above for details on each attribute.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.